package com.hhit.collaborative_learning.communication;

import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import com.hhit.collaborative_learning.dao.CoopDao;
import com.hhit.collaborative_learning.dao.impl.CoopDaoImpl;
import com.hhit.collaborative_learning.utils.DBAccess;
import com.hhit.collaborative_learning.utils.JsonUtil;
import com.hhit.collaborative_learning.utils.ResponseUtil;
import com.mysql.jdbc.StringUtils;

/**
 * Servlet implementation class GetCoopListServlet
 */
@WebServlet("/communication/GetCoopListServlet")
public class GetCoopListServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public GetCoopListServlet() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		String pid=request.getParameter("projID");
		CoopDao cd = new CoopDaoImpl();
		Connection con = DBAccess.getInstance().getConn();
		ResultSet cre=null;
		if(StringUtils.isNullOrEmpty(pid)){
			cre = cd.query(con, 0, 0, null, "desc", " CreatedOn ");
		}else{
			pid=" ID ="+pid;
			cre = cd.query(con, 0, 0, pid, "desc", " CreatedOn ");
		}
		JSONObject jobj = new JSONObject();
		try {
			JSONArray cArray = JsonUtil.formatRsToJsonArray(cre);
			jobj.put("coop_project", cArray.toString());
			ResponseUtil.write(response, jobj.toString());
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			DBAccess.getInstance().close(con, null, cre);
			System.out.println("coop_project  "+jobj.toString());
		}
	}

}
